Science News - The Hindu

Basis for precaution dose approval not clear

There has been just one study each for Covishield and Covaxin to understand vaccine effectiveness despite being granted EUA 12 months ago

Jumbo matters: Connecting habitats with the corridor devoid of human presence and activities may reduce elephants’ interactions with humans, lower stress.

Crossing the border: viewing through elephants’ lens

Sanjeeta Sharma Pokharel

Later, better: When the interval between prime and booster was less than six weeks, the vaccine efficacy was 55.1% which rose to 81.3% at 12 weeks or greater.

IISc: Testing hypotheses to guide COVID-19 vaccine, booster protocols

Shubashree Desikan Using a computer simulation, the study probes why lower prime doses or elongated prime–booster intervals increase vaccine efficacy

An eye for an i #467

The first of the Luna missions

Launched on January 2, 1959, Luna 1 was the first human-made object to escape the grip of the Earth’s gravity. Even though it didn’t meet its primary objective of impact with the moon’s surface, it achieved a lunar flyby before going on to become an artificial planet around the sun. A.S.Ganesh takes a look at the Luna 1 mission, the first of a highly successful space programme…

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Gharials are being introduced into this north Indian river. Which river?

Science quiz: Sci-five

A.S. Nazir Ahamed Shubashree Desikan Test your Science quotient with this quiz

The Eurasian common lizard (Zootoca vivipara).

ABSTRACT The progress of evolution

Shubashree Desikan Understanding a recent study done by researchers on the Eurasian common lizard which exhibits both egg-laying and live-bearing modes within the same species

A lab technician at a government hospital in Chennai works inside a pathological lab equipped to screen COVID-19 coronavirus patients and patients infected with the Omicron variant arriving from listed high risk destinations. File

Is testing, sequencing strategy used missing Omicron?

R. Prasad There would have been a surge in cases if the variant is already present in India as Omicron spreads two to three times faster than Delta

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Workers busy at the biogas plant at Bowenpally market in Secunderabad.

Watch | From market waste to electricity

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Science quiz: On origin and anthropology

An eye for an i #467 Children

The first of the Luna missions

IISc: Testing hypotheses to guide COVID-19 vaccine, booster protocols

Crossing the border: viewing through elephants’ lens

Headlice to the rescue

Basis for precaution dose approval not clear

Omicron has high immune escape potential: INSACOG

Initial estimates show severity of illness lower, the genomics consortium says.

The progress of evolution

Understanding a recent study done by researchers on the Eurasian common lizard which exhibits both egg-laying and live-bearing modes within the same species

Scientist E.O. Wilson, dubbed modern-day Darwin, dead

Edward. O. Wilson, the trailblazing U.S. scientist, professor and author whose study of insects and clarion call to protect Earth earned him the

Fighting climate change without developmental blind-spots

Deep thinking and concern for the future is what past generations have demonstrated in how they have constructed urban spaces

Watch | From market waste to electricity

A video on the new waste-to-power plant at the Bowenpally market

Japanese professor creates ‘tele-taste’ TV screen

A Japanese professor has developed a prototype lickable TV screen that can imitate food flavours, another step towards creating a multi-sensory

Marie and Pierre discover radium

On December 26, 1898, French engineer Henri Becquerel informed the French Academy of Sciences of the discovery of a new element. The element in question, radium, was discovered a few days earlier by the Curies, Marie and Pierre. A.S.Ganesh takes a look at the discovery of radium…

Question Corner | What makes humans react quickly to negative smells?

Releasing the booster shots: What are we waiting for?

There is evidence to suggest that immunity, when it wanes after the second dose, can be boosted with a third dose

Using music to better manage dementia

Brain scans indicated long-known music activates various brain areas

Study of distant magnetar reveals facets of the exotic star

The short-lived flare recorded by the ISS instruments spewed as much energy in a tenth of a second that our Sun will radiate in 100,000 years

NASA's revolutionary new space telescope launched

Aside from examining the formation of the earliest stars and galaxies in the universe, astronomers are eager to study super-massive black holes believed to occupy the centres of distant galaxies.

Omicron less likely to put you in hospital: U.K. studies

Findings have not yet been reviewed by other experts

Science quiz: Sci-five

Test your Science quotient with this quiz

U.K. study makes case for AstraZeneca booster shot

Levels of neutralising antibodies rose sharply after a third dose.

CSIR-CCMB working on improving diagnostic methods to check for Omicron variant

Vaccines do provide protection and the focus in our country should be on vaccinating the remaining 22% population with double dosage, says Director Vinay Kumar Nandicoori

Inescapable risks of mandatory iron fortification

Fortification will increase serum ferritin without changing haemoglobin level

Is testing, sequencing strategy used missing Omicron?

There would have been a surge in cases if the variant is already present in India as Omicron spreads two to three times faster than Delta

Science Quiz: On the Sun

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

In a first, NASA spacecraft ‘touches’ sun

The Parker Solar Probe flew through the solar atmosphere known as corona in April during the spacecraft’s eighth close approach to the sun.

Explained: A recap of emerging evidence on Omicron

Its rapid spread is likely to test public health systems and their ability to react efficiently

AI tool to simplify identification of cancerous tissue in tumours

IIT Madras researchers developed this tool using deep learning and traditional machine learning

Mystery in meteorites

What information do beads of glass in meteorites hold?Most meteorites contain tiny beads of glass that date back to the earliest days of the solar

How the idea of vaccine protection changed in one year

From being centred around the idea of of ‘herd immunity’, over a period of a year, the narrative has now shifted to that of booster doses

Heat shock and cold sensitivity

How chaperone proteins work to maintain normal cellular function

Galaxy with no dark matter

Astronomers led by researchers from the Netherlands have found no trace of dark matter in the galaxy AGC 114905. An ultra-diffuse dwarf galaxy, AGC

NASA’s 10 new astronauts: pilots, doctor, physicist, cyclist

More than 12,000 applied for the coveted spots. The 10 selected are in their 30s and 40s, and face two years of training before becoming eligible for spaceflight.

An innovation that can better protect power grids

High current surges, if unchecked, cause heating of the wires and perhaps melting and consequent short-circuits and fire accidents

Question Corner: Where did the Western Honey Bee come from?

Research led by York University has shown that a species of honey-producing bee called the western honey bee (Apis mellifera) most likely originated

Study finds mechanism of blood clots after giving Oxford vaccine

The rare adverse effect can follow vaccination using chimpanzee adenovirus Y25, human adenovirus type 26, and human adenovirus type 5

Was Omicron designated a variant of concern in haste?

It was termed a VOC three days after genome sequence data was posted

Indian-American mathematician Nikhil Srivastava among 3 selected for inaugural Ciprian Foias Prize

Along with Prof. Srivastava, who teaches at the University of California, Berkeley, the two other awardees are Adam Marcus and Daniel Spielman

New species found in Sikkim’s Dzongu, the ‘land of butterflies’

The closest relatives of the Chocolate-bordered Flitter are in southeastern China

Watch | How space debris pose risk to future exploration

A video on the accumulation of debris around Earth's orbit

Science Quiz: On the Sun

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Space junk forces spacewalk delay, too risky for astronauts

It's the first time a spacewalk has been canceled because of threat from space junk

Explained | Understanding the Omicron variant of coronavirus

What is Omicron? How is it different from the other variants? Where all has the B.1.1.529 coronavirus variant been detected?

Chennai resident crosses birding milestone, documents 100 species from hearthstone

Sundaravel Palanivel recently reached the three-figure mark, remarkably through patch birding from his home in Pallikaranai. His observations and photographic records include around 10 rarities and many insightful avian patterns

Evolution of immune mechanisms can shape genetic risk of mental illness

How changes to our genome caused by natural selection increase the risk of mental illnesses is a deep biological issue

Question Corner | Evolution through layers of food chain

How do monarch butterflies and their predators eat poisonous milkweed?Scientists now understand how certain animals can feed on picturesque, orange

Covaxin elicits immune memory to virus, study finds

The conclusions that can be robustly based on the study results are limited at this stage

Were there domestic horses in ancient India?

Remnant bones of horses in Harappan sites, if they exist, could hold an answer

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